1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 352Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 352

ADJUSTMENTS on ENGINE Com ple[1 1 ing acjllstm nl ilhout tt::! UOiog carbure tor from engine and in fo l1 o"in equcnce: 1
Approximate adjustment all be acc omplished by selling' idle mixtu.re screu.iS lean to moderate-rough idle, r,:ri ch wi Ll
lIive sLigh.t speed losthen bac rews out (e nrich) rlurn MEASURE FROM GA SKET S UIlFACE TO CENTER OF Figure 19Float Toe Adjustment
5' ut off engine nd re rnO'e La hometer BEND FLOA TANG TO ADJUS FOil PIlOPER SETT 'NG FLOAT LEVEL and DRO ADJ USTMENTS l
Remove bo" cover with !Zas ke from carburetor as o ut lined uno er "Disasse mbl y", preced in Invert air !torn with gasket
in placeDist ance fr om !2;ask urfc!'! to top heels of primary fl oat is 1-3 8" (3 .9mm )Di tan ce fr om ga ke urfaee to
lop hee ls of econdar fl i,t11 '3 2" (3 41mm )Bend fl oa rm to adj us !(F ig ure 18) OrModel with Round or "0" Typ Floal
Me asure fro Ga ke Surfa ce Bollom of loa t WEASUA( FIlOM GASI( [T TOCENTER OF DIMPLE ON S'OE OF FLOAT TOE 3 iLh ai horn